veraserg.io
Profile picture I'm Sergio
Computer Science Engineer with over a decade of experience as a Software Engineer, Developer, and Tech Lead with AI experience.

FEATURED PROJECTS

RECENT EXPERIENCE

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KNOCK IT August 2025 - Present
Santiago, Chile
  • Technical leadership in architecture decisions, defining development standards, project structure and technology stack.
  • Full-Stack Development of a web platform for investment property management, using React with TypeScript and Vite to build modern, responsive and high-performance UIs.
  • Back-End architecture design and RESTful API development with Node.js and Express, integrating SQL Server and MySQL databases.
  • Designed and implemented AWS infrastructure, using S3, CloudFront, ECR, EC2, Route 53, Certificate Manager and IAM.
  • Containerization and deployment with Docker, ensuring consistent environments from development to production.
  • Strengthened database and infrastructure security, establishing best practices for access control, credential management and secure cloud configuration.
  • Evaluated and adopted new technologies, including AI-based solutions.
Ingeniería Civil Vicente (ICV) July 2024 - July 2025
Santiago, Chile
  • Front-End Development focused on migrating desktop software to web platforms using React with TypeScript, optimizing the build process with Vite.
  • Implemented interactive and responsive UIs with Handsontable, Shadcn, Ant Design, Lucide Icons, and TailwindCSS.
  • Zustand library for centralized state management, improving data synchronization and application performance.
  • Integrated APIs with Axios, ensuring efficient and secure communication with the Back-End.
  • Back-End Development of APIs in .NET Core with C#, using Entity Framework for a stable and scalable data flow.
  • Worked with PostgreSQL for data storage and management.
Vibia June 2023 - April 2024
Barcelona, Spain
  • Front End dynamic web applications development featuring 3D user interfaces with React, using Three.js and React Three Fiber libraries.
  • Back End RESTful APIs development with Node-RED low-code platform for fast deploy and intergration.
  • Comprehensive Unit Testing using Jest along with Test-Driven Development methodology to ensure the reliability and robustness of the software.
  • Global State management with Jotai to enhance application performance.
  • Domain-Driven Design principles to design scalable and maintainable solutions.
  • Trunk Based Development methodology with CI/CD practices for agile and seamless deployments.
  • Pair Programming sessions following Scrum agile methodology, fostering collaborative problem-solving and knowledge sharing.
Larrain Vial March 2019 - March 2023
Santiago, Chile
  • Performing comprehensive project analysis, precise estimation, and efficient task delegation for company projects.
  • Front End dynamic web applications development with Microsoft .NET, following MVC pattern, using ASP.NET Razor, C#, Ajax, JQuery and Bootstrap.
  • Back End SOAP Web Services and RESTful API development with Microsoft .NET, using C#, Entity, Dapper, Swagger and LinQ.
  • High Complexity Stored Procedures development in Microsoft SQL Server.